Question

Why is the amount of gas collected in one of the test tubes in Activity 1.7 double of the amount collected in the other’ Name this gas.​

Answer 1

Answer:

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Explanation:

Water contains hydrogen and oxygen in the ratio of 2:1. Hence, the amount of hydrogen and oxygen produced during electrolysis of water is in a 2:1 ratio. During electrolysis, since hydrogen goes to one test tube and oxygen goes to another, the amount of gas collected in one of the test tubes is double of the amount collected in the other.

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Answer 2

Explanation:

♥ Electricity is passed through water to decompose it. The amount of gas collected in cathode is double to the anode here

♥ Here the gas collected at cathode is hydrogen(H2) and the gas collected at anode is oxygen(02)

♥ As we know that the hydrogen and oxygen combine in the ration 2: 1 to form a water molecule, hence the amount of hydrogen gas is double that of oxygen.

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